心理声学模型是宽带音频压缩中的核心技术。
Psychoacoustic model is the kernel technology of wideband audio compression.
一些传统的心理声学注重对音高、响度与音色的感觉。
Some of the traditional psychoacoustic concerns involve the perception of pitch, loudness, volume and timbre.
心理声学的研究结果表明汉语与英语在听感知上存在着差异。
The research results of psychoacoustics have showed that there are differences in the auditory perception between Chinese and English.
他说，“那么，你进入了心理声学领域，并且这是一个非常模糊的话题。”
Then, you're getting into psychoacoustics, and that's a topic that gets a lot fuzzier.
对人类生理声学和心理声学的了解是研究三维声音技术的基础。
The knowledge of physiological acoustics and psychological acoustics is the basis of the research of 3D sound technology.
基于心理声学模型的掩蔽特性，可以得出水印被要求的相应的声压级。
Based on the masking properties of the psychoacoustic model, we then derive the required sound pressure level of the watermark.
而带宽范围较宽的音频编码采用的则多是基于心理声学的感知编码技术。
However, the audio coding technology for ultra wideband mostly USES perceptual coding which is based on the psychoacoustic model.
总结了人类听觉系统的特点，特别是人类听觉的感知特征以及心理声学模型。
And we summarize the character of the human auditory system, especially the psychoacoustic modal.
介绍了基于人耳心理声学模型的数字音频压缩技术的杜比数字音频AC - 3。
Dolby digital audio AC-3 is introduced as a digital audio compressing technology based on human ear psychoacoustics models.
通过计算时变输入信号的心理声学参数，用信号的掩蔽值对匹配跟踪矩阵进行加权。
Psychoacoustics of the human hearing is explicitly included into the algorithm through modifying the MP metric by the time-varying masking threshold of the input signal.
论文从实验研究的角度出发，分析了不同心理声学参数对摩托车噪声声音品质的影响。
With some experiments, we analyze the influence of some different psychoacoustics parameters over motorcycle sound quality.
同时掩蔽是心理声学的重要研究内容，在音频压缩编码、语音增强等方面有着广泛的应用。
Simultaneous masking which is an important research content of psychoacoustic, have a wide range of applications in audio coding, speech enhancement and so on.
直到最近，心理声学的研究重心开始从认知过程的细节转向了对周边的听觉系统行为的研究。
Until recently, psychoacoustics has devoted more attention to the behaviour of the peripheral auditory system than to the details of cognitive processing.
本文提出了一个基于心理声学理论和实验的听觉感知模型，它模拟了人对声音响度的听觉感知特征。
Based on the psychoacoustic theory and experiments this paper presents an auditory sense model which simulates the characteristics of human sense of hearing speech loudness.
本文首先对心理声学模型、滤波器组、量化和比特分配、预测编码、时域噪声成型等技术进行研究。
In this dissertation, psychoacoustic models filter Banks quantization and bit allocation predicate coding and temporary noise shaping is analyzed.
笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。
This paper analyses the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.
笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。
This paper introduces the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.
介绍了人耳生理系统和掩蔽效应的特性，并阐述了视音频压缩标准MPEG1音频部分的心理声学模型。
By analyzing human physiological audio system and its masking effect, this paper illustrates the psychoacoustic model in audio part of the ISO video coding standard MPEG1.
摘要提出了基于临界频带率、依赖于强度的扩展函数、非线性迭加和前向掩蔽效应的参数心理声学模型。
A parametric psychoacoustic model based on critical band rate, level - dependent spreading function, non - linear superposition and forward masking was proposed.
声像定位理论和心理声学实验结果表明，头部转动对前方声像方向的影响较少，主要是影响侧向声像方向。
The results of sound image localization theory and psychoacoustic experiment prove that the rotation of head has little effect on the front image, but has some effect on lateral image.
文章分析了心理声学模型有效的掩蔽特性，主要介绍了心理声学模型的改进音调探测方法，并给出了其实验结果。
This paper analyzes the masking characteristics of the psycho-acoustic model, concentrates on the modified tonality detection algorithm, and presents experimental results.
深入分析了心理声学及听觉掩蔽原理，根据采用听觉掩蔽原理设计的心理声学模型及滤波器组阐述了AC-3编解码的过程。
The theories of psychoacoustics and auditory masking are analyzed. Then the decoding process of AC-3 according to the psychoacoustics models and filter banks is introduced.
根据MPEG - 4AAC编码标准及对算法的基本原理的分析研究，算法优化的关键点在于心理声学模型、滤波器组和量化等模块。
We research on MPEG-4 AAC encoding standards and the algorithm principium. The key point is optimizing the psychoacoustic model module, filter Banks module and quantizer module.
根据MPEG - 4AAC编码标准及对算法的基本原理的分析研究，算法优化的关键点在于心理声学模型、滤波器组和量化等模块。
We research on MPEG-4 AAC encoding standards and the algorithm principium. The key point is optimizing the psychoacoustic model module, filter Banks module and quantizer module.
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